Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average sea temperature in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
With August's arrival, Portobello, New Zealand, notes an average high-temperature of a still chilly 9.5°C (49.1°F), closely following the trend of the preceding month. Portobello's nighttime temperatures in August see a subtle dip to an average of 6.7°C (44.1°F).Humidity
In Portobello, the average relative humidity in August is 79%.Rainfall
In August, in Portobello, New Zealand, the rain falls for 11.8 days. Throughout August, 24mm (0.94") of precipitation is accumulated. In Portobello, New Zealand, during the entire year, the rain falls for 150.6 days and collects up to 357mm (14.06") of precipitation.Snowfall
August is the only month when snow falls in Portobello. The month with the most snowfall is August, when snow falls for 0.7 days and typically aggregates up to 3mm (0.12") of snow.Sea temperature
The month with the coldest seawater in Portobello is August, with an average sea temperature of 9.2°C (48.6°F).Note: Swimming in 9.2°C (48.6°F) poses a severe threat. Even short exposure to 13°C (55.4°F) is chilling, and going below 10°C (50°F) can cause breathing irregularities and intense cold shock, based on one's stamina.
Daylight
The average length of the day in August is 10h and 14min.On the first day of the month, sunrise is at 7:56 am and sunset at 5:31 pm. On the last day of August, in Portobello, sunrise is at 7:08 am and sunset at 6:07 pm NZST.
Sunshine
In August, the average sunshine in Portobello is 6.9h.UV index
The months with the lowest UV index are April through October, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In August, the UV index of 3 transforms into the following advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What is the average August temperature in Portobello?
What is the average humidity in August in Portobello?
How many days does it rain in August in Portobello?
When does it snow the most in Portobello?
When does it start snowing in Portobello?
What month is the sea coldest in Portobello?
What is the water temperature in August in Portobello?
What is the average length of the day in August in Portobello?
When are sunrise and sunset in August in Portobello?
How many hours of sunshine does Portobello have in August?
What are the months with the lowest UV index in Portobello?
How high is the UV index in August in Portobello?
Average temperature in August
Portobello, New Zealand
- Average high temperature in August: 9.5°C
The warmest month (with the highest average high temperature) is February (15.8°C).
The month with the lowest average high temperature is July (9.2°C).
- Average low temperature in August: 6.7°C
The month with the highest average low temperature is February (11.7°C).
The coldest month (with the lowest average low temperature) is July (6.3°C).
Average pressure in August
Portobello, New Zealand
- Average pressure in August: 1011.5mbar
The month with the highest atmospheric pressure is March (1016.2mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in August
Portobello, New Zealand
- Average wind speed in August: 19km/h
The windiest month (with the highest average wind speed) is June (21.8km/h).
The calmest month (with the lowest average wind speed) is February (18.4km/h).
Average humidity in August
Portobello, New Zealand
- Average humidity in August: 79%
The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is July (76%).
Average rainfall in August
Portobello, New Zealand
- Average rainfall in August: 24mm
The wettest month (with the highest rainfall) is February (43mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in August
Portobello, New Zealand
- Average rainfall days in August: 11.8 days
The month with the highest number of rainy days is October (15.6 days).
The month with the least rainy days is March (11.1 days).
Average snowfall in August
Portobello, New Zealand
- Average snowfall in August: 3mm
The month with the highest snowfall is August (3mm).
The months with the least snowfall are January, February, March, April, May, June, July, September, October, November and December (0mm).
Average snowfall days in August
Portobello, New Zealand
- Average snowfall days in August: 0.7 days
The month with the highest number of snowfall days is August (0.7 days).
The months with the least snowfall days are January, February, March, April, May, October and December (0 days).
Average sea temperature in August
Portobello, New Zealand
- Average sea temperature in August: 9.2°C
The best month for swimming (with the highest average sea temperature) is February (13.8°C).
The coldest month (with the lowest average sea temperature) is August (9.2°C).
Average daylight in August /
Average sunshine in August
Portobello, New Zealand
- Average daylight in August: 10h and 1min
The month with the longest days is December (Average daylight: 15h and 42min).
The month with the shortest days is June (Average daylight: 8h and 42min).
- Average sunshine in August: 6h and 5min
The month with the most sunshine is December (Average sunshine: 10h and 36min).
The month with the least sunshine is June (Average sunshine: 4h and 30min).
Average sunshine days in August
Portobello, New Zealand
- Average sunshine days in August: 16.7 days
The month with the most sunshine days is March (17.9 days).
The month with the least sunshine days is January (13.4 days).
Average UV index in August
Portobello, New Zealand
- Average UV index in August: 3
The months with the highest UV index are January, February, March, November and December (UV index 4).
The months with the lowest UV index are April, May, June, July, August, September and October (UV index 3).
Average cloud cover in August
Portobello, New Zealand
- Average cloud cover in August: 44
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is March (Cloud cover 40).
Average visibility in August
Portobello, New Zealand
- Average visibility in August: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Portobello, New Zealand
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